CVE-2023-45935

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 15.0% of scored records. A rank, not a probability.

NVD base score

4.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2024-03-27 00:00Z2 YR AGO

Last updated

2025-11-04 18:18Z11 MO AGO

Reserved

2023-10-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 4.2)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

68a669f2260798d44fb3d7887f29ff9b4316a7492e2e2dc2914ca38a27441fb9

• bugreports.qt.iohttps://bugreports.qt.io/browse/QTBUG-115599
• seclists.org20240126 NULL pointer dereference in QT via the function QXcbConnection::initializeAllAtoms()http://seclists.org/fulldisclosure/2024/Jan/61mailing-list
• packetstormsecurity.comhttp://packetstormsecurity.com/files/176815/qt-6.6-6.5-6.2-Null-Pointer.html